Inferring structural variant cancer cell fraction
Fraction (chemistry)
Breakpoint
Structural Variation
DOI:
10.1038/s41467-020-14351-8
Publication Date:
2020-02-05T19:03:29Z
AUTHORS (1401)
ABSTRACT
Abstract We present SVclone, a computational method for inferring the cancer cell fraction of structural variant (SV) breakpoints from whole-genome sequencing data. SVclone accurately determines allele frequencies both SV breakends, then simultaneously estimates and copy number. assess performance using in silico mixtures real samples, at known proportions, created two clonal metastases same patient. find that SVclone’s is comparable to single-nucleotide variant-based methods, despite having an order magnitude fewer data points. As part Pan-Cancer Analysis Whole Genomes (PCAWG) consortium, which aggregated 2658 cancers across 38 tumour types, we use reveal subset liver, ovarian pancreatic with subclonally enriched copy-number neutral rearrangements show decreased overall survival. enables improved characterisation intra-tumour heterogeneity.
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